Preheat oven (electric cooker: 200 °C/ circulating air: 175 °C/ level 3). Push a baking tray (32 x 39) lined with baking paper into the oven immediately. Clean and halve the mushrooms.
Clean, wash and cut the spring onions into rings. Wash the meat, dab dry and cut into cubes. Beat eggs and 1 teaspoon salt until foamy. Add milk while continuing to beat. Stir in 100 g flour and mineral water.
Take the baking tray out of the oven. Brush the baking paper with oil immediately. Pour the dough evenly onto it. Bake in a hot oven at the same temperature for 10-12 minutes. In the meantime, heat clarified butter in a large pan.
Fry the meat for about 5 minutes. Season with salt and pepper. Take out. Fry the mushrooms in hot frying fat until golden brown. Fry spring onions briefly. Dust with 1 tbsp. flour and sauté briefly. Deglaze with stock and cream.
Bring to the boil and simmer for 2-3 minutes. Season to taste with salt, pepper and lemon juice. Add meat and heat. Remove pancakes from the oven. Peel off baking paper. Cut pancakes into strips.
Arrange pancake strips and ragout.